1 /*
2  * tsan_annotations.cpp -- ThreadSanitizer annotations to support data
3  * race detection in OpenMP programs.
4  */
5 
6 //===----------------------------------------------------------------------===//
7 //
8 //                     The LLVM Compiler Infrastructure
9 //
10 // This file is dual licensed under the MIT and the University of Illinois Open
11 // Source Licenses. See LICENSE.txt for details.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "tsan_annotations.h"
16 
17 #include <stdio.h>
18 
19 typedef unsigned long uptr;
20 typedef signed long sptr;
21 
22 extern "C" __attribute__((weak)) void AnnotateHappensBefore(const char *f,
23                                                             int l, uptr addr) {}
24 extern "C" __attribute__((weak)) void AnnotateHappensAfter(const char *f, int l,
25                                                            uptr addr) {}
26 extern "C" __attribute__((weak)) void AnnotateCondVarSignal(const char *f,
27                                                             int l, uptr cv) {}
28 extern "C" __attribute__((weak)) void AnnotateCondVarSignalAll(const char *f,
29                                                                int l, uptr cv) {
30 }
31 extern "C" __attribute__((weak)) void AnnotateMutexIsNotPHB(const char *f,
32                                                             int l, uptr mu) {}
33 extern "C" __attribute__((weak)) void AnnotateCondVarWait(const char *f, int l,
34                                                           uptr cv, uptr lock) {}
35 extern "C" __attribute__((weak)) void AnnotateRWLockCreate(const char *f, int l,
36                                                            uptr m) {}
37 extern "C" __attribute__((weak)) void
38 AnnotateRWLockCreateStatic(const char *f, int l, uptr m) {}
39 extern "C" __attribute__((weak)) void AnnotateRWLockDestroy(const char *f,
40                                                             int l, uptr m) {}
41 extern "C" __attribute__((weak)) void
42 AnnotateRWLockAcquired(const char *f, int l, uptr m, uptr is_w) {}
43 extern "C" __attribute__((weak)) void
44 AnnotateRWLockReleased(const char *f, int l, uptr m, uptr is_w) {}
45 extern "C" __attribute__((weak)) void AnnotateTraceMemory(const char *f, int l,
46                                                           uptr mem) {}
47 extern "C" __attribute__((weak)) void AnnotateFlushState(const char *f, int l) {
48 }
49 extern "C" __attribute__((weak)) void AnnotateNewMemory(const char *f, int l,
50                                                         uptr mem, uptr size) {}
51 extern "C" __attribute__((weak)) void AnnotateNoOp(const char *f, int l,
52                                                    uptr mem) {}
53 extern "C" __attribute__((weak)) void AnnotateFlushExpectedRaces(const char *f,
54                                                                  int l) {}
55 extern "C" __attribute__((weak)) void
56 AnnotateEnableRaceDetection(const char *f, int l, int enable) {}
57 extern "C" __attribute__((weak)) void
58 AnnotateMutexIsUsedAsCondVar(const char *f, int l, uptr mu) {}
59 extern "C" __attribute__((weak)) void AnnotatePCQGet(const char *f, int l,
60                                                      uptr pcq) {}
61 extern "C" __attribute__((weak)) void AnnotatePCQPut(const char *f, int l,
62                                                      uptr pcq) {}
63 extern "C" __attribute__((weak)) void AnnotatePCQDestroy(const char *f, int l,
64                                                          uptr pcq) {}
65 extern "C" __attribute__((weak)) void AnnotatePCQCreate(const char *f, int l,
66                                                         uptr pcq) {}
67 extern "C" __attribute__((weak)) void AnnotateExpectRace(const char *f, int l,
68                                                          uptr mem, char *desc) {
69 }
70 extern "C" __attribute__((weak)) void
71 AnnotateBenignRaceSized(const char *f, int l, uptr mem, uptr size, char *desc) {
72 }
73 extern "C" __attribute__((weak)) void AnnotateBenignRace(const char *f, int l,
74                                                          uptr mem, char *desc) {
75 }
76 extern "C" __attribute__((weak)) void AnnotateIgnoreReadsBegin(const char *f,
77                                                                int l) {}
78 extern "C" __attribute__((weak)) void AnnotateIgnoreReadsEnd(const char *f,
79                                                              int l) {}
80 extern "C" __attribute__((weak)) void AnnotateIgnoreWritesBegin(const char *f,
81                                                                 int l) {}
82 extern "C" __attribute__((weak)) void AnnotateIgnoreWritesEnd(const char *f,
83                                                               int l) {}
84 extern "C" __attribute__((weak)) void AnnotateIgnoreSyncBegin(const char *f,
85                                                               int l) {}
86 extern "C" __attribute__((weak)) void AnnotateIgnoreSyncEnd(const char *f,
87                                                             int l) {}
88 extern "C" __attribute__((weak)) void
89 AnnotatePublishMemoryRange(const char *f, int l, uptr addr, uptr size) {}
90 extern "C" __attribute__((weak)) void
91 AnnotateUnpublishMemoryRange(const char *f, int l, uptr addr, uptr size) {}
92 extern "C" __attribute__((weak)) void AnnotateThreadName(const char *f, int l,
93                                                          char *name) {}
94 extern "C" __attribute__((weak)) void
95 WTFAnnotateHappensBefore(const char *f, int l, uptr addr) {}
96 extern "C" __attribute__((weak)) void
97 WTFAnnotateHappensAfter(const char *f, int l, uptr addr) {}
98 extern "C" __attribute__((weak)) void
99 WTFAnnotateBenignRaceSized(const char *f, int l, uptr mem, uptr sz,
100                            char *desc) {}
101 extern "C" __attribute__((weak)) int RunningOnValgrind() { return 0; }
102 extern "C" __attribute__((weak)) double ValgrindSlowdown(void) { return 0; }
103 extern "C" __attribute__((weak)) const char __attribute__((weak)) *
104     ThreadSanitizerQuery(const char *query) {
105   return 0;
106 }
107 extern "C" __attribute__((weak)) void
108 AnnotateMemoryIsInitialized(const char *f, int l, uptr mem, uptr sz) {}
109